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The Bountiful Benefits Of Bringing Back The Beavers

Hundreds of millions of beavers used to populate the West but were hunted to near extinction. Turns out, beavers are critical to healthy water ecosystems, so now there are efforts to bring them back.

Researchers aren't sure why strong relationships in adolescence seem to pay dividends later in life, but one hypothesis is that those bonds act as a buffer against depression and insults.

Having A Best Friend In Your Teenage Years Could Benefit You For Life

Researchers have found that people with deep friendships in adolescence had less anxiety and a greater sense of self-worth in early adulthood. Close friends matter, their study found.

Scripps Institution of Oceanography geochemist James Day prepares a mass spectrometer in his lab for chemical analysis, Feb. 7, 2017.

San Diego Scientist Studies The Moon By Way Of A Nuclear Test Site

A local scientist says the 1945 Trinity nuclear bomb test didn't just change history — it also gave scientists a perfect natural experiment for probing theories about how the Earth's moon came to be.

Former Astronaut Sally Ride speaks to members of the media as NASA personnel set up astronomy equipment on the South Lawn of the White House, Oct. 7, 2009.

Sally Ride Science Becomes Part Of UC San Diego

UC San Diego said it will continue what Sally Ride and her co-founders started — an ambitious effort to make science, technology, engineering and math education more accessible to young women and historically underrepresented students.

The team behind Mystery Science Theater 3000 could release new episodes in the summer of 2016, after creator Joel Hodgson launched a Kickstarter campaign.

'Mystery Science Theater 3000' Creator Raises $500K Toward New Season

Hours after launching a Kickstarter campaign to revive a TV show that made horrible movies enjoyable, Mystery Science Theater 3000 creator Joel Hodgson raised a quarter of his $2 million goal.

'We, Robots' Takes Scholarly, Satirical Aim At Science

Curtis White is no enemy of science, but his new book criticizes what he sees as today's overreliance on rigid thinking and social organization, and our unquestioning optimism about technology.

Middle Palaeolithic artifacts recently excavated from Attirampakkam, an archaeological site in present-day southern India. The artifacts suggest the technique used to make them spread across the world long before researchers previously thought.

Discovery In India Suggests An Early Global Spread Of Stone Age Technology

Scientists have found stone tools in India dating back to 385,000 years ago. The sharp tools were made with a Stone Age technique thought to have originated in Africa and Europe.

Colored scanning electron micrograph (SEM) of Escherichia coli bacteria (green) taken from the small intestine of a child. E. coli are rod-shaped bacteria that are part of the normal flora of the human gut.

How The Microbes Inside Us Went From Enemies To Purported Superhealers

Science writer Ed Yong talks about his new book, which looks at diet and the microbiome and whether poop transplants and probiotics are all they're cracked up to be.

Photo of a factory. FRONTLINE’s “War On The EPA” examines how Scott Pruitt went from fighting the EPA to running the agency and rolling back years of policy. The film is an investigation into the conservative political forces and causes, like climate change skepticism, that propelled Pruitt’s takeover of the EPA.

FRONTLINE: War On The EPA

Airs Wednesday, Oct. 11, 2017 at 10 p.m. on KPBS TV

Salk scientists Juan Carlos Izpisua Belmonte and Jun Wu are seen in this undated photo.

Salk Scientists Contribute To First Gene Editing Of Human Embryos In US

Salk scientists were involved in a new study that raises the possibility of curing certain genetic diseases in future generations. But the prospect of editing a child's DNA before they are born remains very controversial.

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